USB Charger, 4-port USB Charging Station QC 3.0 Rapid Charger for iPhone iPad iPod Samsung Nexus HTC Camcorder Smart Watch Bluetooth Speaker VR and More Smart Devices (4-port Black) New Advantage: 4 ports USB charging station can be charging at the same time. Supports 3.0A quickly charge. Compare with 99% smart phone devices. Light weight and small size: 5.91*4.80*3.11 inch, 0.84 pound. Advance Technology: Smart double-deck dual core circuit board and high performance heat dissipation aluminum. Can charge your devices safety and quickly. CCC/CE/FCC/UL certification. USB Auto Recognition Function: Built-in intelligent identification chips, according to different devices to distribute the appropriate current to charge. One 3.0A USB quickly charge port, one 2.0A USB charge port and dual USB 1.0A charge port. LED Charging Indicator Lights: LED status lights and circuit protection tips allow charging safer and more peace of mind. The LED light will turn off if your device is fully charged. All-round Protections: Overvoltage protection, short-circuit protection, overcharge protection, temperature protection and voltage stabilization will never damage your devices.